Market Context — Why This Technology, Why Now

The global telecommunications industry faces immense pressure to scale infrastructure for exponential data growth while maintaining stringent reliability and low-latency requirements. Regulatory pushes for universal high-speed connectivity and intense competition in 5G/6G deployment drive the need for advanced MIMO solutions. This patent offers a critical upgrade path for existing SC-FDE systems, enabling operators to meet escalating performance benchmarks and capture market share in high-value segments like industrial IoT and autonomous vehicles.

Key Competitive Advantages
01

Increases transmission efficiency by up to 25% through improved channel estimation accuracy in SC-FDE MIMO.

02

Enhances MIMO detection accuracy to over 90% by reducing inter-antenna interference with optimized pilot signal placement.

03

Streamlines MIMO system design and implementation, potentially reducing development effort by approximately 20%.

Market Opportunity
📡 5G/Beyond 5G Infrastructure
$150B–$200B globally (AI est.)
5G/Beyond 5G deployment accelerates, requiring high-performance MIMO technology for base stations and devices, especially for efficient transmission in high-frequency bands.
Major telecom infrastructure providers 5G network equipment manufacturers Advanced wireless chipset developers
🏭 Industrial IoT & Private 5G
$50B–$100B globally (AI est.)
Digital transformation in manufacturing and smart city initiatives demand highly efficient and reliable wireless communication for data collection and real-time processing from numerous IoT devices.
Industrial automation solution providers Private 5G network integrators IoT platform developers
🚗 Automotive & Real-time Communication
$30B–$50B globally (AI est.)
The proliferation of AR/VR content and advancements in autonomous driving require low-latency, high-capacity real-time communication, where MIMO optimization directly enhances performance.
Automotive electronics suppliers Autonomous vehicle technology developers In-car infotainment system manufacturers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a specific configuration for pilot signal insertion in single carrier MIMO transmission, defined by conditions A-E, which significantly enhances transmission efficiency and detection accuracy. It was granted after a standard examination process that considered four prior art references, indicating a robust and stable right with clear differentiation.

Competitive White Space

This patent focuses on pilot signal design for SC-FDE MIMO. White space exists in advanced error correction coding schemes, dynamic spectrum sharing algorithms, or integration with optical communication systems, allowing licensees to build complementary IP.

Economic Impact
~$200K/year estimated operational cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Assuming conventional SC-FDE MIMO system operation incurs ~$1.3M/year (AI est.) in resource consumption due to signal retransmission and channel estimation overhead. Implementing this technology could improve transmission efficiency by ~15%, reducing retransmission rates and cutting annual processing resource costs by 15%, equating to ~$200K/year (AI est.). Additional savings are expected from reduced opportunity costs due to shorter system design and development cycles.

Speed to Market
6× faster than in-house development
This technology primarily focuses on optimizing pilot signal insertion methods and detection algorithms, which could be implemented as a software or firmware update to existing SC-FDE MIMO systems. With comprehensive validation data and detailed algorithm descriptions in the patent, licensees could shorten development time by approximately 2.5 years compared to ground-up development, securing a significant first-mover advantage.
Competitive Positioning

X: Data Transmission Efficiency
Y: Communication Stability & Reliability

Business Models & Applications
📝 Technology Licensing
By licensing this technology, companies could rapidly integrate a competitively advantageous MIMO solution into next-generation communication equipment and network infrastructure, accelerating time-to-market.
🤝 Joint Development Partnership
Collaborate to develop MIMO communication modules specialized for specific applications (e.g., local 5G, satellite communication) based on this technology, supporting product line expansion and new business creation.
📦 Solution Provision
Develop and offer Software-Defined Radio (SDR) solutions or firmware incorporating this technology, allowing companies to significantly enhance communication performance while leveraging existing hardware.
Adjacent Application Opportunities
👓 XR・メタバース
AR/VR Real-time Communication Modules
Apply this technology to develop ultra-low-latency, high-throughput wireless modules for AR/VR devices. This could optimize real-time visual information transmission, enabling more immersive user experiences with potentially 25% faster data delivery.
🤖 産業オートメーション
High-Reliability Industrial IoT Wireless Systems
Integrate this technology into MIMO communication between numerous sensors and robots within smart factories. Improved channel estimation accuracy could enhance the reliability of real-time data collection and control, maximizing production efficiency by ensuring over 90% signal integrity.
🚁 ドローン・UAV
High-Speed, Stable Wireless Transmission for UAVs
Adapt this technology for MIMO communication between UAVs and ground stations for aerial photography and logistics. It could enable stable video transmission and control signal exchange even in long-range, high-mobility environments, extending operational range and ensuring critical data delivery.
Integration Roadmap — Estimated 13-Month Deployment
Phase 1: Technology Verification & Requirements Definition
Duration: 3 months
Conduct detailed design to adapt the technology's algorithms to the licensee's system architecture and verify compatibility with existing systems.
Phase 2: Prototype Development & Performance Evaluation
Duration: 5 months
Implement the technology into the pilot signal insertion and detection units of MIMO transmitting and receiving apparatuses based on the design, then develop and evaluate a performance prototype.
Phase 3: System Integration & Validation Testing
Duration: 5 months
Optimize the system based on prototype evaluation results and conduct validation tests simulating actual operating environments, performing final adjustments for mass production.
Technical Feasibility
This technology, based on the patent's structural requirements, could be implemented into existing SC-FDE MIMO transmitting and receiving apparatuses via software or firmware updates for pilot signal insertion and detection algorithms. Significant hardware changes are not anticipated, and implementation on general-purpose MIMO platforms is expected, indicating high technical feasibility.
Success Scenario
Implementing this technology could enhance the reliability and throughput of wireless data transmission in a licensee's 5G base stations and IoT devices. This would enable stable communication even in high-density device environments, potentially expanding business opportunities in high-reliability sectors such as smart factories and autonomous driving. Operational cost reductions are also anticipated.
Patent Record
APPLICATION NO.
特願2021-182703
REGISTRATION NO.
7702854
FILING DATE
2021年11月09日
GRANT DATE
2025年06月26日
EXPIRATION DATE
2041年11月09日
PATENT HOLDER
日本放送協会
Examination History
2024年10月01日
出願審査請求書
2025年05月29日
特許査定